# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# For more complex and repetitive things, we can create templates
@template
def check_compiler_flag(flag):
    @depends(is_gcc)
    def check(value):
        if value:
            return [flag]
    set_config('CFLAGS', check)
    return check


check_compiler_flag('-Werror=foobar')

# Normal functions can be used in @depends functions.
def fortytwo():
    return 42

def twentyone():
    yield 21

@depends(is_gcc)
def check(value):
    if value:
        return fortytwo()

set_config('TEMPLATE_VALUE', check)

@depends(is_gcc)
def check(value):
    if value:
        for val in twentyone():
            return val

set_config('TEMPLATE_VALUE_2', check)

# Normal functions can use @imports too to import modules.
@imports('sys')
def platform():
    return sys.platform

option('--enable-imports-in-template', help='Imports in template')
@depends('--enable-imports-in-template')
def check(value):
    if value:
        return platform()

set_config('PLATFORM', check)
